The DRIPLOC Deluxe Wall Mounted Grease Containment System was designed specifically for use on a side mounted exhaust fans. The deflector pan simply redirects the displaced cooking oil back into our DRIPLOC 7" Rack System. Also great for hood cleaners as it redirects greasy wash water which helps control unwanted spills during cleanings. This system is intended for use on wall mounted fan. Included is an Oversized Deflector Pan, 21" Wide x 34" Long Deflector Shield, 7" Rack (with 2 Pillows) and a 7" Rack Mounting Bracket. NOTE: YOU WILL NEED TO PROVIDE YOUR OWN MOUNTING SCREWS AS WE CAN'T DETERMINE THE SURFACE YOU'LL BE MOUNTING TO. WARNING : This product can expose you to chemicals including Cobalt Metal Powder and 1,3,5-Triglycidyl-s-triazinetrione, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov .